/* CSS Reset & Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #2d6a4f;
  --primary-dark: #1b4332;
  --primary-light: #40916c;
  --primary-lighter: #95d5b2;
  --accent: #f4a261;
  --accent-dark: #e76f51;
  --dark: #1a1a2e;
  --dark-light: #2d2d44;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; color: var(--dark); line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 100px 0; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-tag { display: inline-block; background: var(--primary-lighter); color: var(--primary-dark); padding: 6px 20px; border-radius: 50px; font-size: 0.875rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
.section-title { font-family: 'Merriweather', serif; font-size: 2.5rem; font-weight: 700; color: var(--dark); line-height: 1.2; }
.section-divider { width: 60px; height: 4px; background: var(--accent); border-radius: 2px; margin: 20px auto; }
.section-description { font-size: 1.125rem; color: var(--gray-600); max-width: 600px; margin: 20px auto 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); font-size: 1rem; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); text-align: center; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-secondary { background: var(--gray-200); color: var(--dark); }
.btn-secondary:hover { background: var(--gray-300); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.6); }
.btn-outline:hover { background: var(--white); color: var(--primary); border-color: var(--white); transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 1.0625rem; }
.btn-block { width: 100%; }

/* Navigation */
.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 16px 0; transition: var(--transition); }
.navbar.scrolled { background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); padding: 10px 0; box-shadow: var(--shadow-sm); }
.navbar.scrolled .nav-link { color: var(--dark); }
.navbar.scrolled .nav-logo .logo-text span { color: var(--dark); }
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { width: 40px; height: 40px; background: var(--primary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.logo-d { font-family: 'Merriweather', serif; font-size: 1.5rem; font-weight: 900; color: var(--white); }
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-family: 'Merriweather', serif; font-weight: 700; font-size: 1.25rem; line-height: 1.1; color: var(--white); transition: var(--transition); }
.logo-suffix { font-size: 0.75rem; font-weight: 500; color: var(--accent); letter-spacing: 2px; text-transform: uppercase; }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-link { padding: 8px 16px; color: rgba(255,255,255,0.85); font-size: 0.9375rem; font-weight: 500; border-radius: var(--radius-sm); transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--white); background: rgba(255,255,255,0.1); }
.nav-donate { padding: 10px 24px; margin-left: 8px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }
.navbar.scrolled .nav-toggle span { background: var(--dark); }

/* Hero */
.hero { min-height: 100vh; background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 50%, #0f3460 100%); display: flex; align-items: center; position: relative; overflow: hidden; }
.hero-overlay { position: absolute; inset: 0; background: url('https://images.unsplash.com/photo-1488521787991-ed7bbaae773c?w=1920&q=80') center/cover; opacity: 0.15; }
.hero-content { position: relative; z-index: 2; text-align: center; }
.hero-badge { display: inline-block; background: rgba(255,255,255,0.1); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.2); color: var(--white); padding: 8px 24px; border-radius: 50px; font-size: 0.875rem; font-weight: 500; margin-bottom: 24px; }
.hero-title { font-family: 'Merriweather', serif; font-size: 4rem; font-weight: 900; color: var(--white); line-height: 1.1; margin-bottom: 24px; }
.hero-subtitle { font-size: 1.25rem; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 40px; line-height: 1.6; }
.hero-actions { display: flex; gap: 16px; justify-content: center; margin-bottom: 60px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); }
.stat-item { text-align: center; position: relative; }
.stat-number { font-family: 'Merriweather', serif; font-size: 2.5rem; font-weight: 900; color: var(--accent); }
.stat-plus { font-family: 'Merriweather', serif; font-size: 2.5rem; font-weight: 900; color: var(--accent); }
.stat-label { display: block; font-size: 0.875rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* About */
.about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 60px; }
.about-card { padding: 40px; border-radius: var(--radius-md); text-align: center; transition: var(--transition); border: 1px solid var(--gray-200); }
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.about-icon { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.5rem; }
.mission .about-icon { background: #e8f5e9; color: var(--primary); }
.vision .about-icon { background: #e3f2fd; color: #1976d2; }
.values .about-icon { background: #fce4ec; color: #d81b60; }
.about-card h3 { font-family: 'Merriweather', serif; font-size: 1.375rem; margin-bottom: 12px; color: var(--dark); }
.about-card p { color: var(--gray-600); line-height: 1.7; }
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.story-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); }
.story-content h3 { font-family: 'Merriweather', serif; font-size: 1.75rem; margin-bottom: 20px; }
.story-content p { color: var(--gray-600); margin-bottom: 16px; line-height: 1.8; }

/* Programs */
.programs { background: var(--gray-100); }
.programs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.program-card { background: var(--white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
.program-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.program-image { position: relative; height: 200px; overflow: hidden; }
.program-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.program-card:hover .program-image img { transform: scale(1.05); }
.program-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 16px 20px; background: linear-gradient(transparent, rgba(0,0,0,0.7)); }
.program-category { display: inline-block; background: var(--accent); color: var(--white); padding: 4px 12px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.program-content { padding: 24px; }
.program-content h3 { font-family: 'Merriweather', serif; font-size: 1.25rem; margin-bottom: 12px; }
.program-content p { color: var(--gray-600); font-size: 0.9375rem; margin-bottom: 16px; line-height: 1.7; }
.program-features { margin-bottom: 20px; }
.program-features li { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; color: var(--gray-700); margin-bottom: 8px; }
.program-features li i { color: var(--primary); }

/* Impact */
.impact { background: var(--dark); }
.impact .section-tag { background: rgba(255,255,255,0.1); color: var(--white); }
.impact .section-title { color: var(--white); }
.impact .section-description { color: rgba(255,255,255,0.6); }
.impact .section-divider { background: var(--accent); }
.impact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.impact-card { text-align: center; padding: 40px 20px; border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.1); transition: var(--transition); }
.impact-card:hover { background: rgba(255,255,255,0.05); transform: translateY(-4px); }
.impact-card i { font-size: 2.5rem; color: var(--accent); margin-bottom: 16px; }
.impact-card h3 { font-family: 'Merriweather', serif; font-size: 2rem; color: var(--white); margin-bottom: 8px; }
.impact-card p { color: rgba(255,255,255,0.6); font-size: 0.9375rem; }

/* Testimonials */
.testimonials { background: var(--white); }
.testimonials-slider { position: relative; max-width: 700px; margin: 0 auto; overflow: hidden; }
.testimonial-card { display: none; padding: 40px; background: var(--gray-100); border-radius: var(--radius-md); text-align: center; }
.testimonial-card.active { display: block; animation: fadeIn 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.testimonial-content i { font-size: 2rem; color: var(--primary-lighter); margin-bottom: 20px; }
.testimonial-content p { font-size: 1.125rem; color: var(--gray-700); line-height: 1.8; font-style: italic; margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; gap: 16px; justify-content: center; }
.testimonial-author img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.testimonial-author h4 { font-weight: 600; color: var(--dark); }
.testimonial-author span { font-size: 0.875rem; color: var(--gray-500); }
.testimonial-dots { display: flex; justify-content: center; gap: 10px; margin-top: 24px; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--gray-300); cursor: pointer; transition: var(--transition); }
.dot.active { background: var(--primary); width: 32px; border-radius: 6px; }

/* Get Involved */
.get-involved { background: var(--gray-100); }
.involved-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.involved-card { background: var(--white); padding: 40px 30px; border-radius: var(--radius-md); text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition); }
.involved-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.involved-icon { width: 72px; height: 72px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.75rem; margin: 0 auto 20px; background: var(--primary-lighter); color: var(--primary); }
.involved-card h3 { font-family: 'Merriweather', serif; font-size: 1.375rem; margin-bottom: 12px; }
.involved-card p { color: var(--gray-600); margin-bottom: 24px; line-height: 1.7; }

/* Donate */
.donate { background: var(--white); }
.donate-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; background: var(--gray-100); border-radius: var(--radius-xl); padding: 60px; }
.donate-content h2 { font-family: 'Merriweather', serif; font-size: 2rem; margin: 12px 0 16px; }
.donate-content p { color: var(--gray-600); line-height: 1.7; margin-bottom: 24px; }
.donate-reasons { display: flex; flex-direction: column; gap: 12px; }
.reason { display: flex; align-items: center; gap: 12px; font-size: 0.9375rem; color: var(--gray-700); }
.reason i { color: var(--primary); }
.donate-form { background: var(--white); padding: 36px; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.donate-amounts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.amount-btn { padding: 12px; border: 2px solid var(--gray-200); border-radius: var(--radius-sm); background: var(--white); font-size: 1rem; font-weight: 600; cursor: pointer; transition: var(--transition); color: var(--dark); }
.amount-btn:hover { border-color: var(--primary); color: var(--primary); }
.amount-btn.active { border-color: var(--primary); background: var(--primary); color: var(--white); }
.amount-btn.custom { grid-column: span 3; }
.custom-amount { display: none; margin-bottom: 16px; }
.custom-amount.show { display: block; }
.custom-amount input { width: 100%; padding: 12px 16px; border: 2px solid var(--gray-200); border-radius: var(--radius-sm); font-size: 1rem; }
.donate-frequency { display: flex; gap: 10px; margin-bottom: 20px; }
.freq-btn { flex: 1; padding: 10px; border: 2px solid var(--gray-200); border-radius: var(--radius-sm); background: var(--white); font-weight: 600; cursor: pointer; transition: var(--transition); }
.freq-btn.active { border-color: var(--primary); background: var(--primary); color: var(--white); }
.secure-note { text-align: center; margin-top: 12px; font-size: 0.8125rem; color: var(--gray-500); }
.secure-note i { margin-right: 4px; }

/* Contact */
.contact { background: var(--gray-100); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; }
.info-item i { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); background: var(--white); color: var(--primary); font-size: 1.125rem; flex-shrink: 0; }
.info-item h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.info-item p { font-size: 0.9375rem; color: var(--gray-600); }
.info-item a { color: var(--primary); }
.info-item a:hover { color: var(--primary-dark); }
.social-links { display: flex; gap: 10px; margin-top: 8px; }
.social-link { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); background: var(--white); color: var(--gray-600); transition: var(--transition); }
.social-link:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.contact-form-wrapper { background: var(--white); padding: 36px; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9375rem; font-weight: 600; margin-bottom: 6px; color: var(--dark); }
.form-group input, .form-group textarea { width: 100%; padding: 12px 16px; border: 2px solid var(--gray-200); border-radius: var(--radius-sm); font-size: 1rem; font-family: 'Inter', sans-serif; transition: var(--transition); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1); }

/* Newsletter */
.newsletter { background: var(--primary); }
.newsletter-wrapper { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 60px 0; }
.newsletter-content h3 { font-family: 'Merriweather', serif; font-size: 1.75rem; color: var(--white); margin-bottom: 8px; }
.newsletter-content p { color: rgba(255,255,255,0.8); }
.newsletter-form { display: flex; gap: 10px; min-width: 400px; }
.newsletter-form input { flex: 1; padding: 14px 20px; border: none; border-radius: var(--radius-sm); font-size: 1rem; }

/* Footer */
.footer { background: var(--dark); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { color: rgba(255,255,255,0.6); margin-top: 16px; line-height: 1.7; }
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-social a:hover { background: var(--primary); color: var(--white); }
.footer-links h4 { color: var(--white); font-size: 1.125rem; margin-bottom: 20px; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { color: rgba(255,255,255,0.6); font-size: 0.9375rem; }
.footer-links ul li a:hover { color: var(--accent); }
.footer-contact h4 { color: var(--white); font-size: 1.125rem; margin-bottom: 20px; }
.footer-contact p { color: rgba(255,255,255,0.6); font-size: 0.9375rem; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-contact a { color: rgba(255,255,255,0.6); }
.footer-contact a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 0.875rem; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,0.4); font-size: 0.875rem; }
.footer-bottom-links a:hover { color: var(--accent); }

/* Back to Top */
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; border-radius: 50%; background: var(--primary); color: var(--white); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(20px); transition: var(--transition); z-index: 999; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* Responsive */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .about-grid, .programs-grid, .involved-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .donate-wrapper { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; position: fixed; top: 70px; left: 20px; right: 20px; background: var(--white); flex-direction: column; padding: 20px; border-radius: var(--radius-md); box-shadow: var(--shadow-xl); }
  .nav-menu.active { display: flex; }
  .nav-link { color: var(--dark) !important; }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .hero-title { font-size: 2.25rem; }
  .hero-stats { gap: 24px; }
  .stat-number { font-size: 1.75rem; }
  .about-grid, .programs-grid, .involved-grid { grid-template-columns: 1fr; }
  .about-story { grid-template-columns: 1fr; gap: 30px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .newsletter-wrapper { flex-direction: column; text-align: center; }
  .newsletter-form { min-width: auto; width: 100%; }
  .donate-amounts { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .section { padding: 60px 0; }
  .section-title { font-size: 1.75rem; }
  .donate-wrapper { padding: 30px; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 1.75rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .donate-amounts { grid-template-columns: 1fr 1fr; }
}